It takes quite a while for the initial installation and updates to run.
Once the .NET framework recompile’s behind the scenes, antivirus makes first pass, and index is built, it should run faster.
You may also consider upgrading to Windows 10.l for free:
Finally, if your laptop supports removing the HDD, and is not built into the motherboard, get a SSD drive. You can pick one up for under $100 and it will make your laptop a ton faster.